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tell me where I have to change it and which mistakes are there and if you can tell me how this class can be modified by any user.

well, as I am a student (electronic engeeniering) I have to write a class to manipulate archives, this class must contain at least tree functions: add information, read and show it at the display,...

an archive, a collection of data (in this particular case text) under a name, I use fstream.h library for archive manipulation

Can anyone help me??, I need the functions to delete, remove or change an archive's name or location with classes.

please, how do i fix a number in c++,
my problem is that a float number returns me a lot of decimals that i do not need to display so I want to cut those off the number